MomentFeed an Uberall Company | 6,798 followers on LinkedIn. The Leader in Proximity Search Optimization | Brands that need each of their hundreds or thousands of locations to rank high in mobile or voice searches are increasingly dependent on mastering Proximity Search Optimization (PSO). PSO requires a brand and each of its locations to take control of and optimize as many signals as possible. This includes comprehensive, up-to-date, best-in-class keyword tactics by location, consistent and accurate location data management, social media channel engagement, and review management.